Home / 1,326,254.31-1,830,230.97-722,642.31

Finding the Fourth Proportional to 1,326,254.31, 1,830,230.97 and 722,642.31

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Solution

The fourth proportional to 1,326,254.31, 1,830,230.97 and 722,642.31 is: 997,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,254.31 : 1,830,230.97 = 722,642.31 : x
  2. Step 2: Convert to fraction form
    1,326,254.31/1,830,230.97 = 722,642.31/x
  3. Step 3: Cross multiply
    1,326,254.31x = 1,830,230.97 × 722,642.31
  4. Step 4: Simplify right side
    1,326,254.31x = 1,322,602,333,284.43
  5. Step 5: Solve for x
    x = 1,322,602,333,284.43/1,326,254.31
  6. Step 6: Final answer
    x = 997,246.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.